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Issue: Vol. 744 No. 3: 10 Mar. 2026
Type: Article
Published: 2026-03-10
DOI: 10.11646/phytotaxa.744.3.2
Page range: 212-220
Abstract views: 20
PDF downloaded: 1

Morpho-cultural and molecular phylogenetic analyses reveal Neoarthrinium kaempferiae sp. nov. (Neoarthriniaceae), an endophytic fungus from Kaempferia galanga in Guangdong, China

School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand; Key Laboratory of Green Prevention and Control on Fruits and Vegetables in South China, Ministry of Agriculture and Rural Affairs, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, P.R. China; Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand; Innovative Institute for Plant Health, College of Agriculture and Biology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, P.R. China
Key Laboratory of Green Prevention and Control on Fruits and Vegetables in South China, Ministry of Agriculture and Rural Affairs, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, P.R. China; Innovative Institute for Plant Health, College of Agriculture and Biology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, P.R. China
Key Laboratory of Green Prevention and Control on Fruits and Vegetables in South China, Ministry of Agriculture and Rural Affairs, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, P.R. China; Innovative Institute for Plant Health, College of Agriculture and Biology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, P.R. China
School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand; Key Laboratory of Green Prevention and Control on Fruits and Vegetables in South China, Ministry of Agriculture and Rural Affairs, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, P.R. China; Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand; Innovative Institute for Plant Health, College of Agriculture and Biology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, P.R. China
Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand
Shenzhen Key Laboratory of Microbial Genetic Engineering, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, P.R. China
School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand; Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand
School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand
Meizhou Academy of Agricultural and Forestry Sciences, Meizhou 514071, P.R. China
Key Laboratory of Green Prevention and Control on Fruits and Vegetables in South China, Ministry of Agriculture and Rural Affairs, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, P.R. China; Innovative Institute for Plant Health, College of Agriculture and Biology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, P.R. China
Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand
new species Ascomycota asexual morph Amphisphaeriales endophytes Fungi

Abstract

During an investigation of endophytic fungi associated with medicinal plants in Guangdong Province, China, a new species of Neoarthrinium was isolated from asymptomatic leaves of Kaempferia galanga (Zingiberaceae). The novel species, Neoarthrinium kaempferiae sp. nov., is introduced based on morphological characteristics and multi-locus phylogenetic analyses. It is characterized by smooth, cylindrical, ampulliform to subglobose conidiogenous cells, and globose to ellipsoidal, dark brown to black conidia that are mostly refractive blue in water mounts. Phylogenetic analyses of combined internal transcribed spacer (ITS), large subunit of ribosomal DNA (LSU), translation elongation factor 1-alpha (tef1-α), and β-tubulin (tub2) sequences support the taxonomic distinctness of N. kaempferiae from other species in the genus. This study represents the first record of Neoarthrinium species associated with Kaempferia galanga, expanding the known host range of this genus.

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How to Cite

Li, Y.-X., Doilom, M., Dong, W., Liao, C.-F., Phukhamsakda, C., Hongsanan, S., Jayawardena, R.S., Khongphinitbunjong, K., Lin, X., Xu, B. & Hyde, K.D. (2026) Morpho-cultural and molecular phylogenetic analyses reveal Neoarthrinium kaempferiae sp. nov. (Neoarthriniaceae), an endophytic fungus from Kaempferia galanga in Guangdong, China. Phytotaxa 744 (3): 212–220. https://doi.org/10.11646/phytotaxa.744.3.2